Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Cheryl Lynn Seifert, RDN

Individual provider Registered Dietitian · NPI 1669259545

Cheryl Lynn Seifert, RDN is a Registered Dietitian OR Nutrition Professional in Lake Grove, New York. Qualified in 1996, 30 years ago. Practices with Stony Brook Children's Service, University Faculty Practice Corporatio, a 41-clinician group and accepts Medicare assignment.

Years since qualifying
30
In the registry since
2023
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

4 Smith Haven Mall
Lake Grove, NY 11755-1219
Phone: (631) 793-3222
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1669259545
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedSeptember 13, 2023
Last updated in NPPESSeptember 13, 2023
Certification dateSeptember 13, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Stony Brook Children'S Service, University Faculty Practice Corporatio — 41 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare